CN1959157A - Electric controlled mechanical type speed variator, and control method for selecting shift - Google Patents
Electric controlled mechanical type speed variator, and control method for selecting shift Download PDFInfo
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- CN1959157A CN1959157A CN 200610097157 CN200610097157A CN1959157A CN 1959157 A CN1959157 A CN 1959157A CN 200610097157 CN200610097157 CN 200610097157 CN 200610097157 A CN200610097157 A CN 200610097157A CN 1959157 A CN1959157 A CN 1959157A
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- 239000010720 hydraulic oil Substances 0.000 description 3
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Abstract
A gearshift control device of electric controlled mechanical speed variator consists of variable-speed control unit being connected to clutch through rotary speed transducer on clutch, rotary speed transducer of engine, transducer of gearshift position, speed transducer of automobile and gearshift selector. It is featured as electric-connecting all said transducers and gearshift selector to variable-speed control unit and sending signals to said control unit. The gearshift method of said speed variator is also disclosed.
Description
Technical field
The present invention relates to the transmission system of automobile, more particularly, the present invention relates to a kind of automobile electric control mechanical type speed variator on the automobile.The invention still further relates to a kind of control method for selecting shift of this automobile electric control mechanical type speed variator.
Background technique
Extensively adopt internal-combustion piston engine as power source on the Hyundai Motor, its torque and rotation speed change scope are little, and complicated service condition then requires the tractive force of automobile and the speed of a motor vehicle to change in sizable scope.In order to solve this contradiction, in power train, be provided with speed changer, it has the velocity ratio of change, realizes clockwise and anticlockwise and utilizes neutral gear, interrupts functions such as transmission of power.Mechanical speed changer buty shifting causes fatigue to the driver easily; The chain type speed changer selects the reliability of gear shift relatively poor, can also adopt electric control mechanical speed changer, promptly utilizes---and the control mode of machinery, realize the gear selecting and the gear shift of speed changer.
At present, automobile electric control mechanical type speed variator adopts Electric Machine Control to select gear shift more, though Electric Machine Control has reduced hydraulic element such as hydraulic buttery valve, its sensor is simple simultaneously, realizes easily.But it does not have the precision height of hydraulic control, does not have the good reliability of hydraulic control yet, and its impulse ratio is bigger.
Summary of the invention
Problem to be solved by this invention provides a kind of automobile electric control mechanical type speed variator, its objective is the precision and the reliability that improve the control of speed changer gear selecting; For this reason, the present invention also will provide a kind of control method for selecting shift of this automobile electric control mechanical type speed variator.
To achieve these goals, the technical solution used in the present invention is: above-mentioned this automobile electric control mechanical type speed variator, by gear selecting control gear its selection speed stage of gear selecting mechanism controls by this speed changer, the gear selecting control gear is established the speed Control unit and is connected with clutch by the clutch rotational speed sensor, the gear selecting control gear also is provided with engine rotation speed sensor, gear selecting position transducer, car speed sensor and selects shift level, described each sensor and select shift level all to electrically connect with the speed Control unit and transmit signal to it.
The gear selecting mechanism of described speed changer establishes gear selecting oil cylinder, and the piston rod that its gear selecting oil cylinder piston stretches out connects with the shift shaft of speed changer.
The piston rod that described gear selecting oil cylinder piston stretches out is that coaxial line connects with the shift shaft connecting mode of speed changer, i.e. the same axial-movement of piston rod that the shift shaft of speed changer is done and the gear selecting oil cylinder piston stretches out.
The gear selecting mechanism of described speed changer establishes to putting solenoid valve and down to a solenoid valve, two oil pockets that constitute by gear selecting oil cylinder side face of piston ring and cylinder block in the described gear selecting oil cylinder, respectively with last to putting solenoid valve and being communicated with, upward to putting solenoid valve and being electrically connected with the speed Control unit down to a solenoid valve down to a solenoid valve.
The automatic mode storage is established in described speed Control unit, the gear selecting control plotted curve that the automatic mode memory stores presets, comprise the gear selection instruction under the various speed of a motor vehicle in this plotted curve, also store the algorithm that is used to calculate behind each sensor acquisition signal, the speed Control unit is provided with input/output interface, is respectively applied for the information gathering of each solenoid valve and each sensor and the transmission of instruction.
A kind of control method for selecting shift that above-described automobile electric control mechanical type speed variator adopted comprises the following steps:
A) the gear selecting pattern is determined: determine to adopt a kind of control mode by operator from manual mode and automatic mode;
B) if the gear selecting pattern is defined as manual mode, then the speed Control unit obtains the gear selecting signal, and promptly the speed Control unit obtains the gear selecting signal from selecting shift level; If the gear selecting pattern is defined as automatic mode, then directly entering next step is c) step;
C) speed of a motor vehicle is judged: when adopting manual mode, the speed Control unit detects current vehicle speed by car speed sensor and whether satisfies the requirement of lifting shelves; When adopting automatic mode, the speed Control unit detects current vehicle speed automatically and whether satisfies the requirement of lifting shelves;
D) clutch separation: if the speed Control unit judges satisfies the requirement of lifting shelves, clutch separation; If do not satisfy the requirement of lifting shelves, returning previous step is c suddenly) step;
E) detect the clutch separation situation: the current clutch separation situation of clutch rotational speed sensor, if separate thoroughly, then entering next step is f) step is finished the lifting shelves, if separation is not thorough, then clutch continues to separate;
F) finish after the lifting shelves are finished.
The present invention adopts technique scheme, carries out gear selecting with the mode of present employing Electric Machine Control and compares, and control accuracy is higher, and better reliability is more stable; Adopt different gear selecting strategies, can make the gear selecting controlling level reach predetermined effect by reasonably selecting gear shift module and control algorithm; Handiness lessens fatigue, and has eliminated the otherness of driver gear shift technology.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the automobile electric control mechanical type speed variator structural representation that the present invention relates to;
Fig. 2 is the procedure chart of the control method for selecting shift of the automobile electric control mechanical type speed variator that the present invention relates to.
Number in the figure is: 1, motor, 2, clutch, 3, speed changer, 4, gear selecting oil cylinder, 5, select shift level, 6, the speed Control unit, 7, clutch rotational speed sensor, 8, gas pedal, 9, engine rotation speed sensor, 10, automatic mode storage, 11, upward to putting solenoid valve, 12, the gear selecting position transducer, 13, down to a solenoid valve, 14, car speed sensor, 15, the gear selecting control gear, 16, gear selecting mechanism, 17, the gear selecting oil cylinder piston.
Embodiment
As shown in Figure 1, the invention provides a kind of automobile electric control mechanical type speed variator, motor 1 is connected with speed changer 3 by clutch 2, after the rotating speed speed change that rotatablely moves of speed changer 3 with motor 1 output, being passed to the automobile antero posterior axis by output shaft, is the structure and the annexation of gear selecting control gear 15 shown in the figure; As shown in Figure 2, the present invention also provides a kind of control method for selecting shift that is adopted of this automobile electric control mechanical type speed variator, and what Fig. 2 represented is the process of this controlling method.
Technological scheme of the present invention is: this automobile electric control mechanical type speed variator is by gear selecting control gear 15 its selection speed stage of gear selecting mechanism 16 controls by this speed changer 3, gear selecting control gear 15 is established speed Control unit 6 (i.e. TCU unit among the figure) and is connected with clutch 2 by clutch rotational speed sensor 7, gear selecting control gear 15 also is provided with engine rotation speed sensor 9, gear selecting position transducer 12, car speed sensor 14 and selects shift level 5, described each sensor and select shift level 5 all to electrically connect with speed Control unit 6 and transmit signal to it.
This automobile electric control mechanical type speed variator that the present invention relates to has also adopted following concrete structure:
The gear selecting mechanism 16 of speed changer 3 establishes gear selecting oil cylinder 4, and the piston rod that its gear selecting oil cylinder piston 17 stretches out connects with the shift shaft of speed changer 3.
The piston rod that gear selecting oil cylinder piston 17 stretches out is that coaxial line connects with the shift shaft connecting mode of speed changer 3, i.e. the same axial-movement of piston rod that the shift shaft of speed changer 3 is done and gear selecting oil cylinder piston 17 stretches out.
The gear selecting mechanism 16 of speed changer 3 establishes to putting solenoid valve 11 and down to a solenoid valve 13, two oil pockets that constitute by gear selecting oil cylinder piston 17 both ends of the surface and cylinder block in the described gear selecting oil cylinder 4, respectively with last to putting solenoid valve 11 and being communicated with, upward to putting solenoid valve 11 and being electrically connected with speed Control unit 6 down to a solenoid valve 13 down to a solenoid valve 13.
In sum, automobile electric control mechanical type speed variator involved in the present invention has comprised four modules: i.e. speed Control unit 6 (TCU) module, gear selecting oil cylinder module, sensor assembly and solenoid valve module.The structure of speed Control unit 6 (TCU) module and done introduction above the effect wherein, below the structure of gear selecting oil cylinder module, sensor assembly and solenoid valve module and function are done concrete the introduction:
The gear selecting oil cylinder module has comprised and has realized the required mechanical component of gear selecting control, i.e. gear selecting mechanism 16, and this mechanism comprises gear selecting oil cylinder 4 and gear selecting oil cylinder piston 17, and this module is controlled by Hydraulic Power Transmission System, and its power source is the oil hydraulic pump of gear pump or other type; Gear selecting oil cylinder 4 provides the oil pocket of sealing; The Hydraulic Power Transmission System oil circuit is accepted the control of solenoid valve module, and the pressure by hydraulic oil drives gear selecting oil cylinder piston 17 and moves up and down, and realizes that gear selects thereby drive the shifting of transmission axle.
Sensor assembly has comprised engine rotation speed sensor 9, gear selecting position transducer 12, clutch rotational speed sensor 7 and car speed sensor 14.The detection of engine rotation speed sensor 9 is used for expressing the intention of driver in the acceleration and deceleration of driving procedure; Whether clutch rotational speed sensor 7 is used to detect clutch and separates and finish; Whether gear selecting position transducer 12 is used to detect gear selecting oil cylinder piston 17 positions of gear selecting oil cylinder 4, promptly detect gear and select to put in place; Car speed sensor 14 detects the current actual vehicle speed of automobile, for the plus-minus gear selecting provides parameter.All the sensors all is connected with speed Control unit 6 (TCU), and the information that is obtained is transmitted to speed Control unit 6 (TCU).
The solenoid valve module is used to control gear selecting oil cylinder piston 17, i.e. the hydraulic fluid flow rate at control piston two ends and pressure.The solenoid valve module comprises to putting solenoid valve 11 and down to a solenoid valve 13.On promote gear selecting oil cylinder pistons 17 and move downward to putting solenoid valve 11 control hydraulic oil; Promoting gear selecting oil cylinder piston 17 down to a solenoid valve 13 control hydraulic oil moves upward.
The invention allows for the above-mentioned control method for selecting shift that automobile electric control mechanical type speed variator adopted, the gear selecting control that wherein relates to comprises three kinds of patterns: originate mode, manual mode and automatic mode.
Originate mode is meant that when motor 1 rotating speed and the speed of a motor vehicle are zero this moment, clutch 2 was in separated state.After driver's igniting, need manually hang up and select shift level 5, accelerator pedal 8 then, clutch 2 combination thereupon, vehicle starting.And manual mode and automatic mode need switch in gear selecting control.
The above-mentioned control method for selecting shift that automobile electric control mechanical type speed variator adopted comprises the following steps:
A, gear selecting pattern are determined: determine to adopt a kind of control mode by operator from manual mode and automatic mode; If b gear selecting pattern is defined as manual mode, then speed Control unit 6 obtains the gear selecting signal, and promptly speed Control unit 6 obtains the gear selecting signal from selecting shift level 5; If the gear selecting pattern is defined as automatic mode, then directly entering next step is the c step; C, the speed of a motor vehicle are judged: when adopting manual mode, speed Control unit 6 detects current vehicle speed by car speed sensor 14 and whether satisfies the requirement of lifting shelves; When adopting automatic mode, speed Control unit 6 detects current vehicle speed automatically and whether satisfies the requirement of lifting shelves; D, clutch 2 separate: satisfy the requirement of lifting shelves, clutch separation if speed Control unit 6 is judged; If do not satisfy the requirement of lifting shelves, returning previous step is the c step suddenly; E, detection clutch 2 separate conditions: clutch rotational speed sensor 7 detects when front clutch 2 separation case, if separate thoroughly, then entering next step is that the f step is finished the lifting shelves, if separation is not thorough, then clutch continues to separate; After finishing, f, lifting shelves finish.
The present invention adopts technique scheme, carries out gear selecting with the mode of present employing Electric Machine Control and compares, and control accuracy is higher, and better reliability is more stable; Adopt different gear selecting strategies, can make the gear selecting controlling level reach predetermined effect by reasonably selecting gear shift module and control algorithm; Handiness lessens fatigue, and has eliminated the otherness of driver gear shift technology.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present invention and technological scheme to carry out; or design of the present invention and technological scheme are applied to other occasion without improving directly, all within protection scope of the present invention.
Claims (6)
1, a kind of automobile electric control mechanical type speed variator (3), control it by the gear selecting mechanism (16) of gear selecting control gear (15) by this speed changer (3) and select speed stage, it is characterized in that: gear selecting control gear (15) is established speed Control unit (6) and is connected with clutch (2) by clutch rotational speed sensor (7), gear selecting control gear (15) also is provided with engine rotation speed sensor (9), gear selecting position transducer (12), car speed sensor (14) and select shift level (5), described each sensor and select shift level (5) all to electrically connect and transmit signal to it with speed Control unit (6).
2, according to the described automobile electric control mechanical type speed variator of claim 1 (3), it is characterized in that: the gear selecting mechanism (16) of described speed changer (3), if gear selecting oil cylinder (4), the piston rod that its gear selecting oil cylinder piston (17) stretches out connects with the shift shaft of speed changer (3).
3, according to the described automobile electric control mechanical type speed variator of claim 2 (3), it is characterized in that: the piston rod that described gear selecting oil cylinder piston (17) stretches out is that coaxial line connects with the shift shaft connecting mode of speed changer (3), i.e. the same axial-movement of piston rod that the shift shaft of speed changer (3) is done and gear selecting oil cylinder piston (17) stretches out.
4, according to the described automobile electric control mechanical type speed variator of claim 3 (3), it is characterized in that: the gear selecting mechanism (16) of described speed changer (3) establishes to putting solenoid valve (11) and down to a solenoid valve (13), two oil pockets that constitute by gear selecting oil cylinder piston (17) both ends of the surface and cylinder block in the described gear selecting oil cylinder (4), respectively with last to putting solenoid valve (11) and being communicated with, upward to putting solenoid valve (11) and being electrically connected with speed Control unit (6) down to a solenoid valve (13) down to a solenoid valve (13).
5, according to the described automobile electric control mechanical type speed variator of claim 4 (3), it is characterized in that: automatic mode storage (10) is established in described speed Control unit (6), the gear selecting control plotted curve that automatic mode storage (10) storage presets, comprise the gear selection instruction under the various speed of a motor vehicle in this plotted curve, also store the algorithm that is used to calculate behind each sensor acquisition signal, speed Control unit (6) is provided with input/output interface, is respectively applied for the information gathering of each solenoid valve and each sensor and the transmission of instruction.
6, a kind of control method for selecting shift that is adopted according to the described automobile electric control mechanical type speed variator of claim 1 is characterized in that described controlling method comprises the following steps:
A) the gear selecting pattern is determined: determine to adopt a kind of control mode by operator from manual mode and automatic mode;
B) if the gear selecting pattern is defined as manual mode, then speed Control unit (6) obtain the gear selecting signal, and promptly speed Control unit (6) obtain the gear selecting signal from selecting shift level (5); If the gear selecting pattern is defined as automatic mode, then directly entering next step is c) step;
C) speed of a motor vehicle is judged: when adopting manual mode, speed Control unit (6) are detected current vehicle speed by car speed sensor (14) and whether are satisfied the requirement of lifting shelves; When adopting automatic mode, speed Control unit (6) are detected current vehicle speed automatically and whether are satisfied the requirement of lifting shelves;
D) clutch (2) separates: speed Control unit (6) satisfy the requirement of lifting shelves, clutch separation if judge; If do not satisfy the requirement of lifting shelves, returning previous step is c suddenly) step;
E) detection clutch (2) separate condition: clutch rotational speed sensor (7) detects when front clutch (2) separation case, if separate thoroughly, then entering next step is f) step is finished the lifting shelves, if separation is not thorough, then clutch continues to separate;
F) finish after the lifting shelves are finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610097157 CN1959157A (en) | 2006-10-26 | 2006-10-26 | Electric controlled mechanical type speed variator, and control method for selecting shift |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610097157 CN1959157A (en) | 2006-10-26 | 2006-10-26 | Electric controlled mechanical type speed variator, and control method for selecting shift |
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| CN1959157A true CN1959157A (en) | 2007-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200610097157 Pending CN1959157A (en) | 2006-10-26 | 2006-10-26 | Electric controlled mechanical type speed variator, and control method for selecting shift |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828093A (en) * | 2014-06-06 | 2015-08-12 | 北汽福田汽车股份有限公司 | Gear sensor correction method and system of vehicle, and vehicle having gear sensor correction system |
| CN104847889A (en) * | 2014-06-24 | 2015-08-19 | 北汽福田汽车股份有限公司 | Electrically-controlled pneumatic gear shifting control method and system of vehicle |
| CN107215241A (en) * | 2017-04-07 | 2017-09-29 | 东风特汽（十堰）专用车有限公司 | A kind of control system |
| CN107781407A (en) * | 2016-08-25 | 2018-03-09 | 大连楼兰科技股份有限公司 | A kind of application method and mechanism for autotomying changing device |
| CN113898728A (en) * | 2021-08-31 | 2022-01-07 | 胡冬桂 | Automobile gear control method and device |
-
2006
- 2006-10-26 CN CN 200610097157 patent/CN1959157A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104828093A (en) * | 2014-06-06 | 2015-08-12 | 北汽福田汽车股份有限公司 | Gear sensor correction method and system of vehicle, and vehicle having gear sensor correction system |
| CN104828093B (en) * | 2014-06-06 | 2017-09-12 | 北汽福田汽车股份有限公司 | Modification method, system and the vehicle with it of the shift sensor of vehicle |
| CN104847889A (en) * | 2014-06-24 | 2015-08-19 | 北汽福田汽车股份有限公司 | Electrically-controlled pneumatic gear shifting control method and system of vehicle |
| CN104847889B (en) * | 2014-06-24 | 2017-07-11 | 北汽福田汽车股份有限公司 | The ecp shift control method and system of a kind of vehicle |
| CN107781407A (en) * | 2016-08-25 | 2018-03-09 | 大连楼兰科技股份有限公司 | A kind of application method and mechanism for autotomying changing device |
| CN107781407B (en) * | 2016-08-25 | 2019-07-19 | 大连楼兰科技股份有限公司 | A kind of application method and mechanism for autotomying changing device |
| CN107215241A (en) * | 2017-04-07 | 2017-09-29 | 东风特汽（十堰）专用车有限公司 | A kind of control system |
| CN113898728A (en) * | 2021-08-31 | 2022-01-07 | 胡冬桂 | Automobile gear control method and device |
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